Finding the Fourth Proportional to 1,090,660.12, 1,633,553.93 and 790,451.53
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Solution
The fourth proportional to 1,090,660.12, 1,633,553.93 and 790,451.53 is: 1,183,911.63
Step by Step Solution
- Step 1: Write the proportion equation
1,090,660.12 : 1,633,553.93 = 790,451.53 : x - Step 2: Convert to fraction form
1,090,660.12/1,633,553.93 = 790,451.53/x - Step 3: Cross multiply
1,090,660.12x = 1,633,553.93 × 790,451.53 - Step 4: Simplify right side
1,090,660.12x = 1,291,245,201,198.26 - Step 5: Solve for x
x = 1,291,245,201,198.26/1,090,660.12 - Step 6: Final answer
x = 1,183,911.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.